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Through-the-scope balloon dilation for pyloric stenosis: long-term results
1Department of Surgery, Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong.
Gastrointestinal Endoscopy
|February 1, 1996
Summary
Through-the-scope balloon dilation for pyloric stenosis offers symptom relief but has high rates of recurrent obstruction and complications. Long-term data suggests it should be reserved for high-risk surgical candidates.
Area of Science:
- Gastroenterology
- Endoscopic Procedures
- Surgical Outcomes
Background:
- Benign pyloric stenosis is often treated with balloon dilation.
- Long-term outcomes of through-the-scope balloon dilation for this condition are not well-documented.
Purpose of the Study:
- To evaluate the long-term efficacy and complications of through-the-scope balloon dilation for benign pyloric stenosis.
Main Methods:
- Retrospective analysis of 54 patients undergoing balloon dilation for pyloric stenosis between 1986 and 1993.
- Kaplan-Meier method used for survival analysis of ulcer complication-free probability.
Main Results:
- Successful dilation in 83.3% of patients, with 7.4% experiencing perforations.
- Ulcer complication-free probability at 3 years was 54.7%.
- 51.2% of patients required subsequent surgery, primarily for recurrent obstruction.
Conclusions:
- Through-the-scope balloon dilation can palliate symptoms but is associated with frequent recurrent obstructions and ulcer complications.
- This endoscopic approach should be considered primarily for patients with high surgical risk.
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